Finding the Fourth Proportional to 197,911.44, 273,479.28 and 144,102.60
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Solution
The fourth proportional to 197,911.44, 273,479.28 and 144,102.60 is: 199,124.80
Step by Step Solution
- Step 1: Write the proportion equation
197,911.44 : 273,479.28 = 144,102.60 : x - Step 2: Convert to fraction form
197,911.44/273,479.28 = 144,102.60/x - Step 3: Cross multiply
197,911.44x = 273,479.28 × 144,102.60 - Step 4: Simplify right side
197,911.44x = 39,409,075,294.13 - Step 5: Solve for x
x = 39,409,075,294.13/197,911.44 - Step 6: Final answer
x = 199,124.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.